Cows experiencing first estrus between the age of 1.5 - 2 months, but the data in the field found a cow women experience first estrus at the age of 2 years:
[photographs of my collection in steemimg]
Sign - a sign of estrus in female cattle are:
- livestock restless
- often shout
- reluctantly breaks
- cows do not want quiet and nervous.
- Like climbed and climbed neighbor
- vulva: swollen, red, feels warm when touched
- Red mucous membranes and mucus is clear and colorless (clear)
- Decreased appetite.
[souce image: studyblue]